Mascali/Picklock_RCM
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Add FSS0 support

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This commit is contained in:
shchmue 2020-05-18 15:52:19 -06:00
parent 64d7e5cebd
commit 4a69ea1922
3 changed files with 68 additions and 50 deletions
source/keys
keys.c

10
source/keys/keys.c
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@ -304,7 +304,7 @@ get_tsec: ;
break;
}
memcpy(master_key[kb-1], master_key[kb], 0x10);
memcpy(master_key[kb], zeros, 0x10);
memset(master_key[kb], 0, 0x10);
}
if (_key_exists(temp_key)) {
EPRINTF("Unable to derive master key.");
@ -527,6 +527,8 @@ pkg2_done:
for (u32 j = 0; j < 3; j++) {
_generate_kek(8, fs_keys[2 + j], master_key[i], aes_kek_generation_source, NULL);
se_aes_crypt_block_ecb(8, 0, key_area_key[j][i], aes_key_generation_source);
if (j == 2)
gfx_hexdump(i, key_area_key[j][i], 0x10);
}
}
se_aes_key_set(8, master_key[i], 0x10);
@ -1088,8 +1090,14 @@ static void _save_key(const char *name, const void *data, u32 len, char *outbuf)
static void _save_key_family(const char *name, const void *data, u32 start_key, u32 num_keys, u32 len, char *outbuf) {
char temp_name[0x40] = {0};
if (memcmp(name, "key_area_key_system", 19) == 0) {
gfx_hexdump(0, data, num_keys * 0x10);
}
for (u32 i = 0; i < num_keys; i++) {
sprintf(temp_name, "%s_%02x", name, i + start_key);
if (memcmp(name, "key_area_key_system", 19) == 0) {
gfx_printf("attempt save key %x\n", i);
}
_save_key(temp_name, data + i * len, len, outbuf);
}
}